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CVE-2025-3840Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Description

An improper neutralization of input vulnerability was identified in the End of Life (EOL) OVA based connect installer component which is deployed for installation purposes in a customer network. This EOL component was deprecated in September 2023 with end of support extended till January 2024. An actor can manipulate the action parameter of the login form to inject malicious scripts which would lead to a XSS attack under certain conditions.

Timeline

  1. ID reserved

    By Saviynt

  2. Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-3840, by who scored it
Scored byCVSSScoreVector
SaviyntCNA (assigner)4.0Low2.1CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
NVDNVD · Deferred4.0Low2.1CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.26% · top 82% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.

Affected products

  • Saviynt · OVA based Connect

    • affected AlmaLinux-8.x_SC2.0-Client-2.0
    • affected AlmaLinux-8.x_SC2.0-Client-3.0
    • affected CentOS-7.x_SC2.0-Client-2.0
    • affected CentOS-7.x_SC2.0-Client-3.0
    • affected RHEL-8.x_SC2.0-Client-2.0
    • affected RHEL-8.x_SC2.0-Client-3.0

What to do

Solution: Follow this documentation link https://docs.saviyntcloud.com/bundle/Saviynt-Connect-20-Resources/page/Content/Saviynt-Connect-20-Client-Configurations.htm  and migrate to the latest version of Saviynt Connect component

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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[![CVE-2025-3840](https://cveledger.app/badge/CVE-2025-3840.svg)](https://cveledger.app/cve/CVE-2025-3840)

Record last updated .